How can mortar problems be solved?
How can mortar problems be solved? Ⅰ. What causes mortar water secretion? 1 The use of poor quality fly ash; 2 Low water retention of mortar; and 3 Unreasonable sand grading Ⅱ. How to deal with mortar water secretion? 1 Avoid the use of poor quality fly ash; 2 Improve the water retention rate of